Vintage ballpoint signature, “Sonny Liston,” on an off-white 4 x 2.5 slip bearing a collector’s date notation of April 3, 1967. In fine condition, with a central vertical fold, and light show-through from type on the reverse. This was signed during Liston’s time in Sweden, where he fought four bouts between July 1966 and April 1967, winning all by knockout. Pre-certified PSA/DNA.
This item is Pre-Certified by PSA/DNA
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